| Year | Count |
|---|---|
| 1913 | 18 |
| 1914 | 25 |
| 1915 | 14 |
| 1916 | 27 |
| 1917 | 30 |
| 1918 | 29 |
| 1919 | 18 |
| 1920 | 29 |
| 1921 | 49 |
| 1922 | 61 |
| 1923 | 45 |
| 1924 | 63 |
| 1925 | 66 |
| 1926 | 60 |
| 1927 | 61 |
| 1928 | 42 |
| 1929 | 15 |
| 1930 | 34 |
| 1931 | 27 |
| 1932 | 60 |
| 1933 | 38 |
| 1934 | 34 |
| 1935 | 26 |
| 1936 | 36 |
| 1937 | 40 |
| 1938 | 36 |
| 1939 | 31 |
| 1940 | 15 |
| 1942 | 10 |
| 1943 | 8 |
| 1945 | 15 |
| 1946 | 6 |
| 1947 | 5 |
| 1948 | 6 |
| 1952 | 5 |
| 1957 | 6 |